Buffers:
     [AABEFFHHKMOOQRRSSTUV]
     [ABCDEHIJKLLNPPRSVVWY]

Bitmap:
     [0011011100000111101101001100011000001111]

##</code><code>##

OOL Buffer:

  The front of the buffer contains the runlength index
  The back of the buffer contains the data to be migrated
  The dots represent freespace in the buffer

     [2213541211223254...........................................]
     [221354121122325........................................VVWY]
     [22135412112232....................................SSTUVVVWY]
     [2213541211223...................................RSSSTUVVVWY]
     [221354121122.................................QRRRSSSTUVVVWY]
     [22135412112................................PPQRRRSSSTUVVVWY]
     [2213541211...............................OOPPQRRRSSSTUVVVWY]
     [221354121...............................NOOPPQRRRSSSTUVVVWY]
     [22135412..............................LMNOOPPQRRRSSSTUVVVWY]
     [2213541.............................KLLMNOOPPQRRRSSSTUVVVWY]
     [221354.............................KKLLMNOOPPQRRRSSSTUVVVWY]
     [22135..........................HHIJKKLLMNOOPPQRRRSSSTUVVVWY]
     [2213......................EEFFHHHIJKKLLMNOOPPQRRRSSSTUVVVWY]
     [221....................BCDEEFFHHHIJKKLLMNOOPPQRRRSSSTUVVVWY]
     [22....................BBCDEEFFHHHIJKKLLMNOOPPQRRRSSSTUVVVWY]
     [2...................AABBCDEEFFHHHIJKKLLMNOOPPQRRRSSSTUVVVWY]